Okey, it finsih for update. Try to click one of the data and it will display like this :

How about insert data?

Well, you can do insert data with update activity that we have create before. You can see in the code, i give some condition “if(id<0)”. Its use for check the activity that we run an update or insert data. But, even we can do it directly from previous form we create, we need to make a “menu” that link to “DetailActivity”. This is the step :